Question: Which team did Serge Blanco start on in 1/1/1984?
Paraphrase: What group did Serge Blanko form in 1984?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q1322456 p:P54 ?s . ?s ps:P54 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1984')) }